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- Title
Greenhouse Gas Fluxes and Carbon Sequestration in the Oligotrophic Peat Soils of Southern Taiga in Western Siberia.
- Authors
Golovatskaya, E. A.; Veretennikova, E. E.; Dyukarev, E. A.
- Abstract
The carbon stock and the emission rates of greenhouse gases (CO2 and CH4) in the peat soils of southern taiga in Western Siberia were studied. The studied peat soils belonged to typical oligotrophic peat soils (Histosols) but developed in two contrasting mire ecosystems—forested and open bogs—that differed considerably in the vegetation cover, soil morphology, and hydrological and temperature conditions. The carbon stock in the upper 50-cm-thick layer reached 9.3 and 6.8 kg/m2 in the forested and open bogs, respectively. The CO2 and CH4 emissions were measured using a static chamber method during the growing seasons in 1999–2014. The CO2 fluxes emitted from the studied soils into the atmosphere were close in their value (116.1 and 123.4 mg CO2/(m2 h) for the forested and open bogs, respectively), whereas CH4 fluxes differed considerably (0.57 and 2.66 mg CO4/(m2 h), respectively). This study highlights an important role of the species composition and hydrological regime of peat soils forming in different bog ecosystems in the estimates of the carbon sequestration and greenhouse gas fluxes in the region.
- Subjects
SIBERIA (Russia); PEAT soils; CARBON sequestration; TAIGAS; BOGS; GREENHOUSE gases; SOIL structure; FORESTED wetlands
- Publication
Eurasian Soil Science, 2024, Vol 57, Issue 2, p210
- ISSN
1064-2293
- Publication type
Article
- DOI
10.1134/S1064229323602871